Polarized lens and method of making polarized lens

Details Polarized lens and method of making polarized lens Polarized lens and method of making polarized lens

G - Physics

02

B

G02B 1/08 (2006.01) G02B 3/00 (2006.01) G02B 5/30 (2006.01) G02C 7/12 (2006.01)

Patent

CA 2700461

An eyeglass lens is made of layers which include an outer, convex hard coating, a layer of hard epoxy, a PVA film, a layer of soft epoxy, a layer of adhesive, a base material, and an inner, concave hard coating. The major steps in producing the lens are to 1: prepare a clean, soft PVA film; 2: form the PVA film into the desired curved shape using a convex mold; 3: add hard epoxy to the outer, convex side of the PVA film; 4: add soft epoxy to the inner, concave side; 5: add the base material to the inner, concave side; and 6: harden and package the lens.

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